Gravity-Assisted Upright Stretching Apparatus for Lumbar Decompression
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Solution Overview
Problem
Existing devices for stretching the human body, particularly those using gravity assistance, are often uncomfortable, difficult to operate, and pose safety risks, especially for individuals with hypertension or other health conditions, as they can cause adverse effects such as increased blood pressure and ear-related discomfort.
Innovation Solution
A gravity-assisted stretching apparatus comprising a body holder with a support panel and pivotally connected arm holders that allow users to adjust their position from 0 to 90 degrees relative to the horizontal, enabling controlled stretching and decompression of lumbar muscles and herniated discs using gravity, which is safer and more user-friendly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If inversion therapy device is used to stretch the spine and unload muscles, then stretching effectiveness is improved, but safety and comfort deteriorate due to increased blood pressure and adverse effects on heart and eyes
Solution Approach 1:
The patent applies inversion principle by reversing the traditional approach: instead of inverting the entire body to achieve spinal decompression, the device keeps the user in an upright position while using a tilted support surface (0-45 degrees) to achieve the same stretching effect without the harmful cardiovascular and ocular effects of complete inversion
Solution Approach 2:
The device applies local quality by concentrating the stretching action on the lumbar region through a specifically designed tilted support surface that targets the lower back area, while the upper body remains in a safe upright position, thus achieving localized therapeutic effect without systemic adverse effects
2Reliability
If gravity-assisted stretching is used to decompress herniated discs, then therapeutic effect is improved, but device complexity and difficulty of operation increase
Solution Approach 1:
The device is segmented into distinct functional components: a stable base, a tiltable support surface with independent angle adjustment, and a ratchet mechanism for angle locking. This segmentation allows each component to perform its specific function simply, making the overall device easier to operate while maintaining therapeutic effectiveness
Solution Approach 2:
The ratchet and pawl mechanism provides self-locking functionality, automatically maintaining the selected tilt angle without requiring continuous user intervention or complex control systems, thus simplifying operation while enabling effective gravity-assisted stretching
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus provides effective stretching and decompression of lumbar muscles and herniated discs while being safer and easier to operate than existing devices, improving posture, blood flow, and providing relief from back pain without the risks associated with inversion therapy.
Implementation Method 1
A gravity-assisted stretching apparatus comprising a body holder with a support panel and pivotally connected arm holders that allow users to adjust their position from 0 to 90 degrees relative to the horizontal, enabling controlled stretching and decompression of lumbar muscles and herniated discs using gravity
Data Source
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AI summary
An apparatus for stretching comprises a body holder for connecting to a support device (e.g., a frame or ball joint). The body holder includes a body support panel for receiving an upper portion of user's body, a left arm holder for receiving a left arm, and a right arm holder for receiving a right arm. The left arm holder and the right arm holder are pivotally connected to the body support panel. The body support panel can have an ergonomic curved surface to approximate a part of user's torso. The left arm holder can also have a curved surface to approximate a portion of left side of a user's torso and at least a portion of left arm. Similarly, the right arm holder can have has a curved surface to approximate at least a portion of right side of the user's torso and at least a portion of right arm.